diff --git a/icecat-68.4.0-mozilla-1526653_arm_disable_wasm.patch b/icecat-68.4.0-mozilla-1526653_arm_disable_wasm.patch
new file mode 100644
index 0000000..a58cb6f
--- /dev/null
+++ b/icecat-68.4.0-mozilla-1526653_arm_disable_wasm.patch
@@ -0,0 +1,11 @@
+--- a/js/src/wasm/WasmSignalHandlers.cpp	2019-05-16 11:25:13.260881532 +0200
++++ b/js/src/wasm/WasmSignalHandlers.cpp	2019-05-16 11:24:35.164589301 +0200
+@@ -243,7 +243,7 @@ using mozilla::DebugOnly;
+ // emulation here.
+ 
+ #if defined(__linux__) && defined(__arm__)
+-#  define WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
++// #  define WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
+ #endif
+ 
+ #ifdef WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
diff --git a/icecat.spec b/icecat.spec
index fb8dac2..8cc270c 100644
--- a/icecat.spec
+++ b/icecat.spec
@@ -165,16 +165,19 @@ Patch26: %{name}-68.4.0-build-icu-big-endian.patch
 # Always feel lucky for unsupported platforms:
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1347128
 Patch37: build-jit-atomic-always-lucky.patch
+
 # Fixing missing cacheFlush when JS_CODEGEN_NONE is used (s390x)
 Patch38: build-cacheFlush-missing.patch
+
 Patch40: build-aarch64-skia.patch
 Patch41: build-disable-elfhack.patch
 Patch44: build-arm-libopus.patch
+Patch45: %{name}-68.4.0-mozilla-1526653_arm_disable_wasm.patch
 
 # Fedora specific patches
 Patch219: rhbz-1173156.patch
 
-#ARM run-time patch
+# ARM run-time patch
 Patch226: rhbz-1354671.patch
 
 # Upstream patches
@@ -382,6 +385,7 @@ tar -xf %{SOURCE5}
 %ifarch %{arm}
 %patch414 -p1 -b .Bug-1238661---fix-mozillaSignalTrampoline-to-work
 %patch44  -p1 -b .build-arm-libopus
+%patch45  -p1 -b .mozilla-1526653_arm
 %endif
 
 # Patch for big endian platforms only
@@ -832,6 +836,7 @@ appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_metainfodir}/*.appdata.x
 * Tue Jan 07 2020 Antonio Trande <sagitter@fedoraproject.org> - 68.4.0-1.rh2.test
 - Mozilla stable release 68.4.0ESR
 - Test build for ARM and s390x
+- Patched for mzbz#1526653 to disable wasm on ARM
 
 * Fri Jan 03 2020 Antonio Trande <sagitter@fedoraproject.org> - 68.4.0-0.2.rc1.rh1
 - New rebuild of source archive (extensions updated)