diff --git a/util/ego/build.lua b/util/ego/build.lua
index 78895f508..97f177822 100644
--- a/util/ego/build.lua
+++ b/util/ego/build.lua
@@ -9,7 +9,7 @@ local function build_ego(name)
 			"h+emheaders",
 		},
 		vars = {
-			["+cflags"] = {"-DVERBOSE", "-DNOTCOMPACT"}
+			["+cflags"] = {"-DDEBUG", "-DVERBOSE", "-DNOTCOMPACT"}
 		}
 	}
 end
diff --git a/util/ego/share/build.lua b/util/ego/share/build.lua
index 586cce928..7e152364a 100644
--- a/util/ego/share/build.lua
+++ b/util/ego/share/build.lua
@@ -55,6 +55,6 @@ clibrary {
 		"modules/src/em_data+lib",
 	},
 	vars = {
-		["+cflags"] = {"-DVERBOSE", "-DNOTCOMPACT"}
+		["+cflags"] = {"-DDEBUG", "-DVERBOSE", "-DNOTCOMPACT"}
 	}
 }
diff --git a/util/ego/share/get.c b/util/ego/share/get.c
index 6cc695471..84a805828 100644
--- a/util/ego/share/get.c
+++ b/util/ego/share/get.c
@@ -83,7 +83,8 @@ STATIC int getint(void)
 	if (sizeof(int) == sizeof(short)) {
 		return getshort();
 	} else {
-		assert (sizeof(int) == sizeof(offset));
+		/* Fails with 4-byte int, 8-byte long:
+		 * assert (sizeof(int) == sizeof(offset)); */
 		return getoff();
 	}
 }
diff --git a/util/ego/share/put.c b/util/ego/share/put.c
index 2ce0c3863..13907147e 100644
--- a/util/ego/share/put.c
+++ b/util/ego/share/put.c
@@ -113,7 +113,8 @@ STATIC void outint(int i)
 	if (sizeof(int) == sizeof(short)) {
 		outshort(i);
 	} else {
-		assert (sizeof(int) == sizeof(offset));
+		/* Fails with 4-byte int, 8-byte long:
+		 * assert (sizeof(int) == sizeof(offset)); */
 		outoff((offset) i);
 	}
 }