diff --git a/jnius/jnius_jvm_dlopen.pxi b/jnius/jnius_jvm_dlopen.pxi
index 8eadd0ac..ce1cf436 100644
--- a/jnius/jnius_jvm_dlopen.pxi
+++ b/jnius/jnius_jvm_dlopen.pxi
@@ -98,7 +98,7 @@ cdef void create_jnienv() except *:
     handle = dlopen(lib_path, RTLD_NOW | RTLD_GLOBAL)
 
     if handle == NULL:
-        raise SystemError("Error calling dlopen({0}: {1}".format(lib_path, dlerror()))
+        raise SystemError("Error calling dlopen({0}): {1}".format(lib_path, dlerror()))
 
     cdef void *jniCreateJVM = dlsym(handle, b"JNI_CreateJavaVM")