diff --git a/storm/Error.cpp b/storm/Error.cpp
index 50aa409..76e4786 100644
--- a/storm/Error.cpp
+++ b/storm/Error.cpp
@@ -81,6 +81,10 @@ int32_t STORMCDECL SErrDisplayErrorFmt(uint32_t errorcode, const char* filename,
     return SErrDisplayError(errorcode, filename, linenumber, buffer, recoverable, exitcode);
 }
 
+int32_t STORMAPI SErrIsDisplayingError() {
+    return s_displaying;
+}
+
 void STORMAPI SErrPrepareAppFatal(const char* filename, int32_t linenumber) {
     // TODO
 }
diff --git a/storm/Error.hpp b/storm/Error.hpp
index a5872bb..1080e0c 100644
--- a/storm/Error.hpp
+++ b/storm/Error.hpp
@@ -27,6 +27,8 @@ int32_t STORMAPI SErrDisplayError(uint32_t errorcode, const char* filename, int3
 
 int32_t STORMCDECL SErrDisplayErrorFmt(uint32_t errorcode, const char* filename, int32_t linenumber, int32_t recoverable, uint32_t exitcode, const char* format, ...);
 
+int32_t STORMAPI SErrIsDisplayingError();
+
 void STORMAPI SErrPrepareAppFatal(const char* filename, int32_t linenumber);
 
 void STORMAPI SErrSetLastError(uint32_t errorcode);
diff --git a/test/Error.cpp b/test/Error.cpp
index 87dc388..8c7da41 100644
--- a/test/Error.cpp
+++ b/test/Error.cpp
@@ -11,3 +11,20 @@ TEST_CASE("SErrDisplayError", "[error]") {
         CHECK_FALSE(SErrDisplayError(errorcode, nullptr, 0, nullptr, recoverable, exitcode));
     }
 }
+
+TEST_CASE("SErrDisplayErrorFmt", "[error]") {
+    SECTION("does nothing if errors are suppressed") {
+        uint32_t errorcode = GENERATE(0, STORM_ERROR_ASSERTION, ERROR_INVALID_PARAMETER);
+        int32_t recoverable = GENERATE(0, 1);
+        uint32_t exitcode = GENERATE(0, 1);
+
+        SErrSuppressErrors(1);
+        CHECK_FALSE(SErrDisplayErrorFmt(errorcode, nullptr, 0, recoverable, exitcode, ""));
+    }
+}
+
+TEST_CASE("SErrIsDisplayingError", "[error]") {
+    SECTION("returns false by default") {
+        CHECK_FALSE(SErrIsDisplayingError());
+    }
+}
diff --git a/test/stormdll/storm.def b/test/stormdll/storm.def
index db023f5..1567551 100644
--- a/test/stormdll/storm.def
+++ b/test/stormdll/storm.def
@@ -381,7 +381,7 @@ EXPORTS
     ;SLogVWrite                    @553 NONAME
     SErrDisplayAppFatal           @561 NONAME
     SErrDisplayErrorFmt           @562 NONAME
-    ;SErrIsDisplayingError         @563 NONAME
+    SErrIsDisplayingError         @563 NONAME
     SErrPrepareAppFatal           @564 NONAME
     ;SErrSetLogTitleString         @565 NONAME
     ;SErrCheckDebugSymbolLibrary   @566 NONAME
diff --git a/test/stormdll/stormstubs.cpp b/test/stormdll/stormstubs.cpp
index 5d88c92..d7fda4c 100644
--- a/test/stormdll/stormstubs.cpp
+++ b/test/stormdll/stormstubs.cpp
@@ -38,6 +38,7 @@ void STORMAPI SBigToUnsigned(BigData*, uint32_t*) {}
 void STORMCDECL SErrDisplayAppFatal(const char* format, ...) {}
 int32_t STORMAPI SErrDisplayError(uint32_t, const char*, int32_t, const char*, int32_t, uint32_t) { return 0; }
 int32_t STORMCDECL SErrDisplayErrorFmt(uint32_t, const char*, int32_t, int32_t, uint32_t, const char*, ...) { return 0; }
+int32_t STORMAPI SErrIsDisplayingError() { return 0; }
 void STORMAPI SErrPrepareAppFatal(const char*, int32_t) {}
 void STORMAPI SErrSetLastError(uint32_t) {}
 uint32_t STORMAPI SErrGetLastError() { return 0; }