diff --git a/amiga/libs.c b/amiga/libs.c
index 3cc84cb68..f296341cc 100644
--- a/amiga/libs.c
+++ b/amiga/libs.c
@@ -17,10 +17,12 @@
  */
 
 #include "amiga/libs.h"
+#include "amiga/misc.h"
 #include "utils/utils.h"
 #include "utils/log.h"
 
 #include <proto/exec.h>
+#include <proto/utility.h>
 
 #define AMINS_LIB_OPEN(LIB, LIBVER, PREFIX, INTERFACE, INTVER, FAIL)	\
 	LOG(("Opening %s v%d", LIB, LIBVER)); \
@@ -32,8 +34,10 @@
 	} else {	\
 		LOG(("Failed to open %s v%d", LIB, LIBVER));	\
 		if(FAIL == true) {	\
-			warn_user("CompError", LIB);	\
-			return false; \
+			STRPTR error = ASPrintf("Unable to open %s v%d", LIB, LIBVER);	\
+			ami_misc_fatal_error(error);	\
+			FreeVec(error);	\
+			return false;	\
 		}	\
 	}
 
diff --git a/amiga/misc.h b/amiga/misc.h
index 836372f18..33313036f 100644
--- a/amiga/misc.h
+++ b/amiga/misc.h
@@ -21,6 +21,7 @@
 #include <exec/types.h>
 
 extern struct gui_file_table *amiga_file_table;
+struct Window;
 
 char *translate_escape_chars(const char *s);
 void ami_misc_fatal_error(const char *message);